Figure 2 PT8000 Main Board Schematic Circuit Diagram ...... 25 putting it in rain or snow, or any other liquid to ensure its life Figure 3 PT8000 Main Board Top Layer Position Mark Diagram ... 26 and performance. Figure 4 PT8000 Main Board Bottom Layer Position Mark Diagram ..27 Figure 5 PT8000 Keyboard Schematic Circuit Diagram......
After-sales service will be provided, and the length of contains all required service information for the equipment. warranty is stated by Kirisun. The radio and its accessories are all Kirisun reserves the right to modify the product structure and in the warranty. However, in one of the following cases, charge specifications without notice in order to enhance product free service will be not available.
PT8000 Service Manual using the supplied mounting bracket so that the radio will not be 2.2 Licenses It is requested by rules that each radio installation site (for loosened in case of collision. mobile station or base station) should be provided with a license.
PT8000 Service Manual 5) Volume Knob Rotate to adjust the volume of the radio. 450KHz F 6) MIC Jack/Programming Interface 450KHz H 7) P1Button (Programmable Button) 49.95MHz AF AMP ANT SW RF AMP IF SYSTEM 8) P2 Button (Programmable Button)
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Figure 4.4 Frequency Synthesizer D20, D21, and the peripheral circuit. When the mobile radio is set PT8000 adopts PLL type frequency synthesizer. to wideband, CF2 is put through and takes effect, while CF1 is cut The frequency synthesizer consists of reference oscillator, off;...
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PT8000 Service Manual 4.5 Audio Processing Circuit 4.6 Power Supply: The radio uses 13.8V battery, and the Tx power amplification circuit (IC1) and Rx audio power amplifier (IC7) directly adopt IC8A IC8D IC8C IC8B CTCSS/DCS the battery for power supply.
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CTCSS frequency. In doing this, disturbance from other signals can be avoided. PT8000 has 39 groups of standard CTCSS frequencies for your selection. See Table 4.1. CTCSS signal (PWM wave) is generated by MCU, and is passed through low pass filter consists of RC to remove the high frequency components (above 300Hz).
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PT8000 Service Manual 3SK318 Rx high power amplifier Power Detect Input 3SK318 First mixer RS-232C Output RS-232C Input 2SC5108 VCO buffer amplifier Reserved 2SC5108 IF amplifier Transmitting Power Control H: on 2SC4617 Rx noise amplifier Receiving Power Control H: on...
(3) Scan frequency, channels, CTCSS/DCS, scan, and other functional Scan Function on/off, Priority Channel, Revert Channel, Tx parameters should be reprogrammed. Therefore, Kirisun has Dwell Time, Dropout Delay Time, Lookback Time. specially designed a set of Chinese/English programming software (4) Emergency settings KSP8000 with friendly interface, convenient operation and visualized display for setting functional parameters of the radio.
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PT8000 Service Manual (2) Rx Signaling and Tx Signaling 9) Five frequency points for SQL1 Off (Wideband) a) None 10) Five frequency points for SQL1 On (Narrowband) b) CTCSS (60~260Hz @ 0.1Hz step) 11) Five frequency points for SQL1 Off (Narrowband)
PT8000 Service Manual 1. Press and hold P1 while turning the radio power ON to enter 203-007200-R08 Nut for Knob the Wired Clone Mode. The display will show “C”. If wired clone 204-006800-R01 LCD Protective Film function is disabled, the radio will enter User Mode.
7.1 Equipment and Software Required for Test and Adjustment Equipment and software listed in Table 7.1 are required for test and adjustment of PT8000. Table 7.1 Equipment and Software Required for Test and Adjustment Figure 6.3...
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PT8000 Service Manual Input impedance: above 10MΩ/V DC, capable of DMM, the value should be larger than 0.6V. measuring voltage, current and resistance. Table 7.2 High/Center/Low Frequency Point for PT8000 Audio signal Frequency range:2-3000Hz generator Output level: 1-500mV Low Freq Point...
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PT8000 Service Manual 7.2.7 QT (67.0) DEV (set the HP8920 to be in the Tx status, and to adjust the five frequency points of “Lowest”, “Low”, “Mid”, set the filter to be 20Hz ~ 300Hz) “High” and “Highest” respectively. a. In the “Tuning Mode”, double click “QT(67.0) DEV”, and b.
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PT8000 Service Manual On”, and select “Narrowband”. Choose a frequency point, and Off”, and select “Narrowband”. Choose a frequency point, and click “Begin”, the programming software will adjust the value click “Begin”, the programming software will adjust the value automatically. When the value keeps stable, click “OK”, the automatically.
PT8000 Service Manual mode on after SQL9 adjustment RF OUT: -114dBm SQL1 RF OUT: -121dBm Table 7.5 Transmitter Section Measurement Adjustment Item Test Condition Test Equipment Requirement Remark Terminal Parts Frequency counter Tx frequency Tuning mode Within ± 100Hz / General test set...
PT8000 Service Manual E. The CPU is broken, please change the IC. Appendix 1 Abbreviations A. Channel frequency goes beyond the limit, please unlocked reset the channel data. AMP: Amplify, Amplifier (Beeping) B. The PLL crystal oscillator X1 is broken. Please change...
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PT8000 Service Manual 203-008200-R03A Antenna Connector 203-008200-R05A Shield for Power Module 204-006800-R01 LCD Protective Film 204-008000-R01A Dustproof Net for Speaker 204-008000-R02A Upper Dustproof Strip for Front Cabinet 204-008000-R03A Lower Dustproof Strip for Front Cabinet 204-008000-R04A Dustproof Strip between Top and Bottom Al Case...
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PT8000 Al Top Case 204-008000-R03A PT8000 Lower Dustproof Strip for Front Cabinet 204-008000-R02A PT8000 Upper Dustproof Strip for Front Cabinet PT8000 Al Bottom Case Assembly (604-080000-R04) Part No. Name 203-008000-R01A PT8000 Al Bottom Case 204-008000-R04A PT8000 Dustproof Strip Between Top and Bottom Case...
PT8000 Service Manual PT8000 Key-PCB Assembly Part No. Name Key-PCB 203-008000-R05A Metal Dome Appendix 4 Accessories Name Model Specifications External View Mounting bracket Power cable Hand microphone KME215 Microphone hanger KME209 SEMS M4.0*10.0 Self-tapping screw M5.0*16.0 Self-tapping screw M4.0*16.0...
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PT8000 Service Manual Figure 1 PT8000 Block Diagram...
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